California Code, Public Resources Code - PRC § 760.5

The board may hire the clerical and secretarial employees, technical personnel, and other staff who are necessary and budgeted to properly assist the work of the board in carrying out the purposes of this article.  This staff personnel shall be subject to the relevant system and procedures of the state civil service.  The provisions of the State Civil Service Act contained in Part 2 (commencing with Section 18500) of Division 5 of Title 2 of the Government Code shall apply to that personnel.  The executive officer shall be an employee exempt from civil service.